Kanohina may soon be the longest surveyed lava tube system in the world. The cave that the Kanohina system seems poised to supplant in the record books is on the other side of the Big Island.

Approximately 700,000 years ago when molten rock erupted from a vent in nearby Hart Prairie, the mile-long Lava River Cave was formed. Today, visitors can explore the cave's cool, dark expanse by ...

The caves, lava tubes, to be more precise ... The volcano itself is the size of Rhode Island! If it’s lava, it’s here in all its splendor. Some 400 cinder cones and vents as well as miles ...

Originally formed in 1881 by lava flow from Mauna Loa, the caves are now accessible to visitors ... good traction as some areas are slick. Big Island Manta Ray Night Snorkel (4773 reviews) Big ...

Kilauea volcano began shooting lava into the air once again Tuesday on the Big Island of Hawaii. The U.S. Geological Survey shows lava erupting from Haleumaumau Crater at the summit of Kilauea ...